`git diff 2a47450172493d64c311336281c1860802b3c9fc 5a2e34d5821fa203454eb9a8b12d7749a7c50d00`
and then go over all the changes containing the
below mentioned potentially dangerous calls and features. Grep the diff for
the following strings and examine surrounding usage.

=============== Native DNS Portion =============

PR_GetHostByName
PR_GetIPNodeByName
PR_GetAddrInfoByName
PR_StringToNetAddr (itself is good as it passes AI_NUMERICHOST to getaddrinfo. No resolution.)

# FF85: Nothing new

MDNS
TRR (DNS Trusted Recursive Resolver)
Direct Paths to DNS resolution:
nsDNSService::Resolve
nsDNSService::AsyncResolve
nsHostResolver::ResolveHost

# FF85:
# Bug 1667743:
#  - Deleting unused esni code
#  - Review Result: Safe

# Bug 1634065:
#  - ensure nsIDNSService is only created on the main thread
#  - Review Result: Safe

# Bug 1678614
#  - Don't retry with native DNS if it's trr only mode
#  - Review Result: Safe

# Bug 1670982
#  - Make the bitfields in nsHostResolver atomic
#  - Review Result: Safe

============ Misc Socket Portion ==============

SOCK_
SOCKET_
_SOCKET

# FF85:
# - Bug 1675491
#    - Count number of bytes send and received over a socket
#    - Review Result: Safe

UDPSocket
TCPSocket
  PR_NewTCPSocket
  AsyncTCPSocket

# FF85: Nothing of interest


Misc PR_Socket

# FF85: Nothing new

=========== Misc XPCOM Portion ================

Misc XPCOM (including commands for pre-diff review approach)
 *SocketProvider
 grep -R udp-socket .
 grep -R tcp-socket .
 grep for tcpsocket
 grep -R "NS_" | grep SOCKET | grep "_C"
 grep -R "@mozilla.org/network/" . | grep socket | grep -v udp-socket

# FF85:
# Bug 1673931:
#  - Resolve Document/Element cycle, no harm
#  - Review Result: Safe

# Bug 1626278
#  - Shutdown MediaTransportHandlerSTS on STS shutdown
#  - Review Result: Safe

# Bug 1677759
#  - Mark STUN/TURN client contexts failed when we encounter a socket read/write failure for TCP
#  - Review Result: Safe

============ Rust Portion ================

Rust
 - XXX: What do we grep for here? Or do we rely on Ritter's compile-time tool?
 - Check for new sendmsg and recvmsg usage

# FF85:
# Bug 1662868
#  - Create a Viaduct-based Glean uploader
#  - Review Result: Safe

============ Android Portion =============

Android Java calls
 - URLConnection
   - XXX: getInputStream? other methods?
 - HttpURLConnection
 - UrlConnectionDownloader
 - ch.boye.httpclientandroidlib.impl.client.* (look for execute() calls)
 - grep -n openConnection\( mobile/android/thirdparty/
 - java.net.URL -- has SEVERAL proxy bypass URL fetching methods :/
 - java.net
 - javax.net
 - ch.boye.httpclientandroidlib.conn.* (esp ssl)
 - ch.boye.httpclientandroidlib.impl.conn.* (esp ssl)
 - Sudden appearance of thirdparty libs:
   - OkHttp
   - Retrofit
   - Glide
   - com.amitshekhar.android
 - IntentHelper
   - openUriExternal (can come from GeckoAppShell too)
   - getHandlersForMimeType
   - getHandlersForURL
   - getHandlersForIntent
 - android.content.Intent - too common; instead find launch methods:
   - startActivity
   - startActivities
   - sendBroadcast
   - sendOrderedBroadcast
   - startService
   - bindService
 - android.app.PendingIntent
 - android.app.DownloadManager
 - ActivityHandlerHelper.startIntentAndCatch

# FF85: Nothing new (using `java_audit.sh`)

============ Application Services Portion =============

Start: 6a234c2b1e1972f11e585551d4cf2e40e84bf16f # v67.0.0
End:   4cc798c8cd8a1e38ce88e0bb22a05692be63b164 # v67.2.0

# FF85: Nothing related to networking in Java/Koltlin/Rust code (using `java_audit.sh`)

============ Android Components Portion =============

Start: 2095f1a5d0ed42c3680aa8582934ea2739ff02c9 # v67.0.17
End:   21ce9abdda0bc4001a72835fbbe7d71026ac0e66 # v70.0.16

# FF85: Zero new usage found of known proxy-bypass APIs (using `java_audit.sh`)

============ Fenix Portion =============

Start: 2d1e15692ebe5ec697abdeacaa332f25ce406a3b # v84.1.4
End:   24995d51a12d8e0bb10166f9f286c68d23b84a6a # v85.1.0

# FF85: Nothing new (using `java_audit.sh`)

============ Regression/Prior Vuln Review =========

Review proxy bypass bugs; check for new vectors to look for:
 - https://gitlab.torproject.org/groups/tpo/applications/-/issues?scope=all&utf8=%E2%9C%93&state=all&label_name%5B%5D=Proxy%20Bypass
   - Look for new features like these. Especially external app launch vectors

